Dec 18 04:03:54.973 INFO checking anderejd/rollcache against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:03:54.973 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/anderejd/rollcache:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:03:55.394 INFO [stdout] 390a9614b0a1b92a12f9d6d7d291df8e7b1a15f83bb46f49034e990f3af0dba4
Dec 18 04:03:55.396 INFO running `"docker" "start" "-a" "390a9614b0a1b92a12f9d6d7d291df8e7b1a15f83bb46f49034e990f3af0dba4"`
Dec 18 04:03:56.888 INFO [stderr]     Checking rollcache v0.1.0 (/opt/crater/workdir)
Dec 18 04:03:57.292 INFO [stderr] warning: unused import: `std::time::Instant`
Dec 18 04:03:57.292 INFO [stderr]  --> src/version_2/mod.rs:9:5
Dec 18 04:03:57.292 INFO [stderr]   |
Dec 18 04:03:57.292 INFO [stderr] 9 | use std::time::Instant;
Dec 18 04:03:57.292 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 04:03:57.292 INFO [stderr]   |
Dec 18 04:03:57.292 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 04:03:57.292 INFO [stderr] 
Dec 18 04:03:57.328 INFO [stderr] warning: unused import: `std::time::Instant`
Dec 18 04:03:57.328 INFO [stderr]  --> src/version_2/mod.rs:9:5
Dec 18 04:03:57.328 INFO [stderr]   |
Dec 18 04:03:57.328 INFO [stderr] 9 | use std::time::Instant;
Dec 18 04:03:57.328 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 04:03:57.328 INFO [stderr]   |
Dec 18 04:03:57.328 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 04:03:57.328 INFO [stderr] 
Dec 18 04:03:57.552 INFO [stderr] warning: struct is never constructed: `InsertionWithRelocation`
Dec 18 04:03:57.552 INFO [stderr]   --> src/version_2/ringlist.rs:34:1
Dec 18 04:03:57.552 INFO [stderr]    |
Dec 18 04:03:57.552 INFO [stderr] 34 | pub struct InsertionWithRelocation {
Dec 18 04:03:57.552 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:03:57.552 INFO [stderr]    |
Dec 18 04:03:57.552 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:03:57.552 INFO [stderr] 
Dec 18 04:03:57.552 INFO [stderr] warning: method is never used: `get`
Dec 18 04:03:57.552 INFO [stderr]    --> src/version_2/ringlist.rs:222:5
Dec 18 04:03:57.552 INFO [stderr]     |
Dec 18 04:03:57.552 INFO [stderr] 222 |     pub fn get(&self, i: Id) -> Option<&T> {
Dec 18 04:03:57.552 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:03:57.552 INFO [stderr] 
Dec 18 04:03:57.560 INFO [stderr] warning: struct is never constructed: `InsertionWithRelocation`
Dec 18 04:03:57.560 INFO [stderr]   --> src/version_2/ringlist.rs:34:1
Dec 18 04:03:57.560 INFO [stderr]    |
Dec 18 04:03:57.560 INFO [stderr] 34 | pub struct InsertionWithRelocation {
Dec 18 04:03:57.560 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:03:57.560 INFO [stderr]    |
Dec 18 04:03:57.560 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:03:57.560 INFO [stderr] 
Dec 18 04:03:57.560 INFO [stderr] warning: method is never used: `get`
Dec 18 04:03:57.560 INFO [stderr]    --> src/version_2/ringlist.rs:222:5
Dec 18 04:03:57.560 INFO [stderr]     |
Dec 18 04:03:57.560 INFO [stderr] 222 |     pub fn get(&self, i: Id) -> Option<&T> {
Dec 18 04:03:57.560 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:03:57.560 INFO [stderr] 
Dec 18 04:03:57.888 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Dec 18 04:03:58.698 INFO running `"docker" "inspect" "390a9614b0a1b92a12f9d6d7d291df8e7b1a15f83bb46f49034e990f3af0dba4"`
Dec 18 04:03:58.946 INFO running `"docker" "rm" "-f" "390a9614b0a1b92a12f9d6d7d291df8e7b1a15f83bb46f49034e990f3af0dba4"`
Dec 18 04:03:59.230 INFO [stdout] 390a9614b0a1b92a12f9d6d7d291df8e7b1a15f83bb46f49034e990f3af0dba4